djvu | 9fc729235a7c40b5e98e095e3426fcf4406d39a88f2786705936193fbe4c37a2

General

Target

9fc729235a7c40b5e98e095e3426fcf4406d39a88f2786705936193fbe4c37a2
Size

717KB
Sample

230331-wjdjyscc33
MD5

e54cb05d9e76d29e95df32a781ece1ed
SHA1

f4aa76d3838f27a25fafeb8dc02a30db48574afb
SHA256

9fc729235a7c40b5e98e095e3426fcf4406d39a88f2786705936193fbe4c37a2
SHA512

bd194cc3e6791eea916b309a951960a2289054b30f7daabfca854361ceecc00e49691479b0153e380698893e3ab0916489832b3283ade99abbc8f1b27a4160c5
SSDEEP

12288:oI80IJzpAt6ZrMFysxHsYjIV57cBirbXyTMwsFgeR9fFPr5CPGuiYUuU:x8x9pAUrMFwdcB9eXpqUYUu

Score

10^/10

Malware Config

Extracted

Family

djvu

C2

http://zexeq.com/test2/get.php

Attributes

extension
.nifr
offline_id
FCP2fiITr4rryFhFBnA59GMgwES5CunmcbPc76t1
payload_url
http://uaery.top/dl/build2.exe

http://zexeq.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

vidar

Version

3.2

Botnet

5df88deb5dde677ba658b77ad5f60248

C2

https://steamcommunity.com/profiles/76561199489580435

https://t.me/tabootalks

Attributes

profile_id_v2
5df88deb5dde677ba658b77ad5f60248
user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79

Targets

- Target
  
  9fc729235a7c40b5e98e095e3426fcf4406d39a88f2786705936193fbe4c37a2
- Size
  
  717KB
- MD5
  
  e54cb05d9e76d29e95df32a781ece1ed
- SHA1
  
  f4aa76d3838f27a25fafeb8dc02a30db48574afb
- SHA256
  
  9fc729235a7c40b5e98e095e3426fcf4406d39a88f2786705936193fbe4c37a2
- SHA512
  
  bd194cc3e6791eea916b309a951960a2289054b30f7daabfca854361ceecc00e49691479b0153e380698893e3ab0916489832b3283ade99abbc8f1b27a4160c5
- SSDEEP
  
  12288:oI80IJzpAt6ZrMFysxHsYjIV57cBirbXyTMwsFgeR9fFPr5CPGuiYUuU:x8x9pAUrMFwdcB9eXpqUYUu
Score

10^/10

djvu vidar 5df88deb5dde677ba658b77ad5f60248 discovery persistence ransomware spyware stealer
- Detected Djvu ransomware
- Djvu Ransomware
  Ransomware which is a variant of the STOP family.
  ransomware djvu
- Vidar
  Vidar is an infostealer based on Arkei stealer.
  stealer vidar
- Downloads MZ/PE file
- Executes dropped EXE
- Loads dropped DLL
- Modifies file permissions
  discovery
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Accesses 2FA software files, possible credential harvesting
  spyware stealer
- Accesses cryptocurrency files/wallets, possible credential harvesting
  spyware
- Adds Run key to start application
  persistence
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext
behavioral1